We use doule helix &lpar;two-screw&rpar; heating wire with overheat protection to ensure safety&period;

Overheating protection is a protection way of electric blanket&period; When part of the electric blanket is overheating&comma; it can make the PE layer melted and so the inside metal wire and outside metal wire get together&comma; which makes the components in the controller overheating&comma; then the temperature fuse is blowout&comma; and the power is off&period;